Add 4/54 and 72/7
1st number: 4/54, 2nd number: 10 2/7
4/54 + 72/7 is 1958/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
4/54 = 4 × 7/54 × 7 = 28/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
72/7 = 72 × 54/7 × 54 = 3888/378 - Add the two like fractions:
28/378 + 3888/378 = 28 + 3888/378 = 3916/378 - 3916/378 simplified gives 1958/189
- So, 4/54 + 72/7 = 1958/189
In mixed form: 1068/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/54+72/7 4/54+72/14 12/54+72/7 4/54+72/21 20/54+72/7 4/54+72/35 28/54+72/7 4/54+72/49